diff --git a/src/ooxml/testcases/org/apache/poi/sl/TestFonts.java b/src/ooxml/testcases/org/apache/poi/sl/TestFonts.java
index 86f5d052a..6bb24962e 100644
--- a/src/ooxml/testcases/org/apache/poi/sl/TestFonts.java
+++ b/src/ooxml/testcases/org/apache/poi/sl/TestFonts.java
@@ -73,6 +73,7 @@ public class TestFonts {
 
     // currently linux and mac return quite different values
     private static final int[] expected_sizes = {
+            304, // windows 10, 1080p, MS Office 2016, system text scaling 100% instead of default 125%
             306, //Windows 10, 15.6" 3840x2160
             311, 312, 313, 318,
             348, //Windows 10, 15.6" 3840x2160